110143021 has 8 divisors (see below), whose sum is σ = 115951680. Its totient is φ = 104419392.

The previous prime is 110142997. The next prime is 110143027. The reversal of 110143021 is 120341011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 110143021 - 2¹¹ = 110140973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110142992 and 110143010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110143027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18591 + ... + 23788.

It is an arithmetic number, because the mean of its divisors is an integer number (14493960).

Almost surely, 2^110143021 is an apocalyptic number.

It is an amenable number.

110143021 is a deficient number, since it is larger than the sum of its proper divisors (5808659).

110143021 is a wasteful number, since it uses less digits than its factorization.

110143021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42515.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 110143021 is about 10494.9045255305. The cubic root of 110143021 is about 479.3495544572.

Adding to 110143021 its reverse (120341011), we get a palindrome (230484032).

The spelling of 110143021 in words is "one hundred ten million, one hundred forty-three thousand, twenty-one".